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  <title>toJson method - V2TimValueCallback class - v2_tim_value_callback library - Dart API</title>


  
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    <div>
<h1><span class="kind-method">toJson</span> method 
</h1></div>

    <section class="multi-line-signature">
      

<span class="returntype"><a href="https://api.flutter.dev/flutter/dart-core/Map-class.html">Map</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a></span>, <span class="type-parameter">dynamic</span>&gt;</span></span>
<span class="name ">toJson</span>(<wbr>)

      

    </section>
    


    
<section class="summary source-code" id="source">
  <h2><span>Implementation</span></h2>
  <pre class="language-dart"><code class="language-dart">Map&lt;String, dynamic&gt; toJson() {
  final Map&lt;String, dynamic&gt; data = &lt;String, dynamic&gt;{};
  data[&#39;code&#39;] = code;
  data[&#39;desc&#39;] = desc;
  dynamic toJsonData = this.data;
  if (this.data == null) {
    data[&#39;json_param&#39;] = this.data;
  } else {
    if (T == V2TimMessage) {
      toJsonData = (this.data as V2TimMessage).toJson();
    } else if (T == V2TimFollowTypeCheckResult) {
      toJsonData = (this.data as V2TimFollowTypeCheckResult).toJson();
    } else if (T == V2TimConversationFilter) {
      toJsonData = (this.data as V2TimConversationFilter).toJson();
    } else if (T == V2TimUserInfoResult) {
      toJsonData = (this.data as V2TimUserInfoResult).toJson();
    } else if (T == V2TimFollowInfo) {
      toJsonData = (this.data as V2TimFollowInfo).toJson();
    } else if (T == V2TimMessageListResult) {
      toJsonData = (this.data as V2TimMessageListResult).toJson();
    } else if (T == V2TimUserFullInfo) {
      toJsonData = (this.data as V2TimUserFullInfo).toJson();
    } else if (T == _getT&lt;List&lt;V2TimOfficialAccountInfoResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimOfficialAccountInfoResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimPermissionGroupMemberOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimPermissionGroupMemberOperationResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimPermissionGroupOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimPermissionGroupOperationResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimTopicPermissionResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimTopicPermissionResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimFollowInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFollowInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimFollowTypeCheckResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFollowTypeCheckResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimFollowOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFollowOperationResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimUserFullInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimUserFullInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimGroupInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimGroupInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimGroupInfoResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimGroupInfoResult).toJson()).toList();
    } else if (T == _getT&lt;Map&lt;String, String&gt;&gt;()) {
      toJsonData = this.data as Map&lt;String, String&gt;;
    } else if (T == _getT&lt;Map&lt;String, int&gt;&gt;()) {
      toJsonData = this.data as Map&lt;String, int&gt;;
    } else if (T == V2TimGroupMemberInfoResult) {
      toJsonData = (this.data as V2TimGroupMemberInfoResult).toJson();
    } else if (T == _getT&lt;List&lt;V2TimGroupMemberFullInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimGroupMemberFullInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimMessageReactionResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimMessageReactionResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimGroupMemberOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimGroupMemberOperationResult).toJson()).toList();
    } else if (T == V2TimGroupApplicationResult) {
      toJsonData = (this.data as V2TimGroupApplicationResult).toJson();
    } else if (T == V2TimConversation) {
      toJsonData = (this.data as V2TimConversation).toJson();
    } else if (T == V2TimConversationResult) {
      toJsonData = (this.data as V2TimConversationResult).toJson();
    } else if (T == _getT&lt;List&lt;V2TimFriendInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFriendInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimFriendInfoResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFriendInfoResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimReceiveMessageOptInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimReceiveMessageOptInfo).toJson()).toList();
    } else if (T == V2TimFriendOperationResult) {
      toJsonData = (this.data as V2TimFriendOperationResult).toJson();
    } else if (T == _getT&lt;List&lt;V2TimFriendOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFriendOperationResult).toJson()).toList();
    } else if (T == V2TimFriendCheckResult) {
      toJsonData = (this.data as V2TimFriendCheckResult).toJson();
    } else if (T == _getT&lt;List&lt;V2TimFriendCheckResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFriendCheckResult).toJson()).toList();
    } else if (T == V2TimFriendApplicationResult) {
      toJsonData = (this.data as V2TimFriendApplicationResult).toJson();
    } else if (T == _getT&lt;List&lt;V2TimFriendGroup&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimFriendGroup).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimMessage&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimMessage).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimMessageExtensionResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimMessageExtensionResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimMessageExtension&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimMessageExtension).toJson()).toList();
    } else if (T == V2TimMessageSearchResult) {
      toJsonData = (this.data as V2TimMessageSearchResult).toJson();
    } else if (T == V2TimMessageOnlineUrl) {
      toJsonData = (this.data as V2TimMessageOnlineUrl).toJson();
    } else if (T == V2TimSignalingInfo) {
      toJsonData = (this.data as V2TimSignalingInfo).toJson();
    } else if (T == V2TimReceiveMessageOptInfo) {
      toJsonData = (this.data as V2TimReceiveMessageOptInfo).toJson();
    } else if (T == V2TimMsgCreateInfoResult) {
      toJsonData = (this.data as V2TimMsgCreateInfoResult).toJson();
    } else if (T == V2TimMessageChangeInfo) {
      toJsonData = (this.data as V2TimMessageChangeInfo).toJson();
    } else if (T == V2TimPermissionGroupMemberInfoResult) {
      toJsonData = (this.data as V2TimPermissionGroupMemberInfoResult).toJson();
    } else if (T == V2TimConversationOperationResult) {
      toJsonData = (this.data as V2TimConversationOperationResult).toJson();
    } else if (T == V2TimGroupMessageReadMemberList) {
      toJsonData = (this.data as V2TimGroupMessageReadMemberList).toJson();
    } else if (T == _getT&lt;List&lt;V2TimMessageReceipt&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimMessageReceipt).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimTopicInfoResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimTopicInfoResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimTopicOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimTopicOperationResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimGroupInfo&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimGroupInfo).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimUserStatus&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimUserStatus).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimPermissionGroupInfoResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimPermissionGroupInfoResult).toJson()).toList();
    } else if (T == _getT&lt;List&lt;V2TimConversationOperationResult&gt;&gt;()) {
      toJsonData = (this.data as List).map((e) =&gt; (e as V2TimConversationOperationResult).toJson()).toList();
    } else if (T == V2TimReceiveMessageOptInfo) {
      toJsonData = (this.data as V2TimReceiveMessageOptInfo).toJson();
    } else if (T == V2TimMessageReactionResult) {
      toJsonData = (this.data as V2TimMessageReactionResult).toJson();
    } else if (T == V2TimMessageReactionUserResult) {
      toJsonData = (this.data as V2TimMessageReactionUserResult).toJson();
    } else {
      toJsonData = this.data;
    }
    data[&#39;json_param&#39;] = toJsonData;
  }
  return data;
}</code></pre>
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